build: change tag_release into a full release

This changes the tag_release program so that it tags and then actually
does a full release build.

Author: crawford

release.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -e
+
+[ $# == 1 ] || { echo "usage: $0 version" && exit 1; }
+
+VER=$1
+
+[[ "${VER}" =~ ^v[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+$ ]] || {
+	echo "malformed version: \"${VER}\""
+	exit 2
+}
+
+if test -n "$(git ls-files --others | \
+	grep --invert-match '\(gopath/src/github.com/coreos/container-linux-config-transpiler\|bin/ct\)')";
+then
+	echo "directory has untracked files"
+	exit 1
+fi
+
+if ! $(git diff-index --quiet HEAD --); then
+	echo "directory has uncommitted files"
+	exit 1
+fi
+
+make test
+
+git tag --sign --message "Config-Transpiler ${VER}" "${VER}"
+
+git verify-tag --verbose "${VER}"
+
+make release